Home / 1,009,898,999.70-1,514,848,499.55-435,470,327.70

Finding the Fourth Proportional to 1,009,898,999.70, 1,514,848,499.55 and 435,470,327.70

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Solution

The fourth proportional to 1,009,898,999.70, 1,514,848,499.55 and 435,470,327.70 is: 653,205,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,898,999.70 : 1,514,848,499.55 = 435,470,327.70 : x
  2. Step 2: Convert to fraction form
    1,009,898,999.70/1,514,848,499.55 = 435,470,327.70/x
  3. Step 3: Cross multiply
    1,009,898,999.70x = 1,514,848,499.55 × 435,470,327.70
  4. Step 4: Simplify right side
    1,009,898,999.70x = 659,671,572,514,891,776
  5. Step 5: Solve for x
    x = 659,671,572,514,891,776/1,009,898,999.70
  6. Step 6: Final answer
    x = 653,205,491.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.